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Note 21: Stock Option Plan: Schedule of Nonvested Share Activity (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Nonvested Options | Balance beginning of period  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 339,958us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_RangeAxis
= fil_BalanceBeginningOfPeriodMember
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsMember
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price $ 24.794fil_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= fil_BalanceBeginningOfPeriodMember
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsMember
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value $ 4.768fil_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_RangeAxis
= fil_BalanceBeginningOfPeriodMember
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsMember
Nonvested Options | Balance end of period  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 390,047us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_RangeAxis
= fil_BalanceEndOfPeriodMember
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsMember
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price $ 28.148fil_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageExercisePrice
/ us-gaap_RangeAxis
= fil_BalanceEndOfPeriodMember
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsMember
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value $ 4.480fil_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_RangeAxis
= fil_BalanceEndOfPeriodMember
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsMember
Nonvested Options Granted  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 147,400us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsGrantedMember
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price $ 32.450fil_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageExercisePrice
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsGrantedMember
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value $ 4.196fil_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageGrantDateFairValue
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsGrantedMember
Nonvested Options Vested This Period  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number (75,863)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsVestedThisPeriodMember
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price $ 21.932fil_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageExercisePrice
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsVestedThisPeriodMember
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value $ 5.146fil_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageGrantDateFairValue
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsVestedThisPeriodMember
Nonvested Options Forfeited  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number (21,448)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsForfeitedMember
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price $ 26.531fil_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageExercisePrice
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsForfeitedMember
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value $ 4.737fil_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageGrantDateFairValue
/ fil_StockOptionPlanAxis
= fil_NonvestedOptionsForfeitedMember